I use an independent email address from GMX/Microsoft but I have the same problem
calibre, version 6.8.0 (linux, embedded-python: True)
Invio del libro tramite email non riuscito: Non riuscita: Invia tramite email D'amore e ombra a
mauriziodelladio_gy3ktm@kindle.com
Starting job: Invia tramite email D'amore e ombra a
mauriziodelladio_gy3ktm@kindle.com
Sending failed...
Traceback (most recent call last):
File "calibre/gui2/email.py", line 47, in run
File "calibre/gui2/email.py", line 136, in sendmail
File "calibre/utils/smtp.py", line 162, in sendmail
File "calibre/utils/smtp.py", line 142, in sendmail_direct
OSError: Failed to send mail: SMTPRecipientsRefused({'mauriziodelladio_gy3ktm@ki ndle.com': (550, b'5.7.1 IP address blacklisted by recipient')})
Retrying in 1 seconds...
Waiting 1 seconds before sending, to avoid being marked as spam.
You can control this delay via Preferences->Tweaks
Sending failed...
Traceback (most recent call last):
File "calibre/gui2/email.py", line 47, in run
File "calibre/gui2/email.py", line 136, in sendmail
File "calibre/utils/smtp.py", line 162, in sendmail
File "calibre/utils/smtp.py", line 142, in sendmail_direct
OSError: Failed to send mail: SMTPRecipientsRefused({'mauriziodelladio_gy3ktm@ki ndle.com': (550, b'5.7.1 IP address blacklisted by recipient')})
Job: "Invia tramite email D'amore e ombra a
mauriziodelladio_gy3ktm@kindle.com" failed with error:
Traceback (most recent call last):
File "calibre/gui2/threaded_jobs.py", line 82, in start_work
File "calibre/gui2/email.py", line 104, in __call__
File "calibre/gui2/email.py", line 47, in run
File "calibre/gui2/email.py", line 136, in sendmail
File "calibre/utils/smtp.py", line 162, in sendmail
File "calibre/utils/smtp.py", line 142, in sendmail_direct
OSError: Failed to send mail: SMTPRecipientsRefused({'mauriziodelladio_gy3ktm@ki ndle.com': (550, b'5.7.1 IP address blacklisted by recipient')})
Called with args: ('/tmp/calibre_6.8.0_tmp_30x32ya9/9he0zeupcaltmpfmt.epub', "D'amore e ombra.epub", 'mauriziodelladio_gy3ktm@kindle.com', 'dYKlmcs4qTCRbaLcxdb5cF', 'ZgCrqIKNUV97QiQg5OFuDB') {'notifications': <queue.Queue object at 0x7f72e8317fa0>, 'abort': <threading.Event object at 0x7f72e8288970>, 'log': <calibre.utils.logging.GUILog object at 0x7f72e8288520>}